Half the number of (n+1)X7 binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks.

A184464

Half the number of (n+1)X7 binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks.

Terms

    a(0) =1212a(1) =89908a(2) =9016218a(3) =986306398a(4) =112210745828

External references